Results 61 to 70 of about 2,856 (222)

Numerical model of a thermoacoustic engine

Comptes Rendus. Mécanique, 2010
An asymptotically consistent small Mach number model of a standing wave thermoacoustic engine has been developed. A simple thermoacoustic engine consists of a resonating tube within which is inserted an acoustically compact assembly, composed of a stack of conducting plates, placed between two heat exchangers.
Hireche, Omar, Weisman, Catherine, Baltean, Diana, Le Quéré, Patrick, François, Maurice-Xavier, Bauwens, Luc   +5 more
openaire   +3 more sources

Sodium‐based, geopolymer foamed composites reinforced with phosphate mine waste particulates and hemp/basalt fibers

Journal of the American Ceramic Society, Volume 108, Issue 12, December 2025.
Abstract This study investigated the mechanical, microstructural, and thermal properties of Na‐based geopolymer foams (GPFs) reinforced with varying amounts of two types of reinforcements: raw phosphate mine waste rock (PMWR) as a particulate filler, and natural (hemp) or synthetic (basalt) fibers.
Sanae Sbi, Andrew Stumpf, Abdelilah Aboulayt, Nawal Semlal, Jones Alami, Youssef Tamraoui, Waltraud M. Kriven   +6 more
wiley   +1 more source

Study of Taconis-Based Cryogenic Thermoacoustic Engine with Hydrogen and Helium

Energies
Taconis oscillations represent spontaneous excitation of acoustic modes in tubes with large temperature gradients in cryogenic systems. In this study, Taconis oscillations in hydrogen and helium systems are enhanced with a porous material resulting in a ...
Matthew P. Shenton, Jacob W. Leachman, Konstantin I. Matveev   +2 more
doaj   +1 more source

Optimized Continuous Thermosonication for Sustainable Pasteurization of Orange and Dried Black Lime Juices: Techno‐Functional, Physicochemical, and Microbial Assessment

Food Science &Nutrition, Volume 13, Issue 11, November 2025.
The study developed a continuous thermosonication system (CTS) for the sustainable pasteurization of orange and dried black lime juices. CTS reduced energy consumption by 30% compared to traditional pasteurization while preserving physicochemical, sensory, and microbiological quality.
Alaa R. Abdulstar, Asaad R. Al‐HiIphy, Ammar B. Altemimi, Rawaa H. Tlay, Tarek Gamal Abedelmaksoud   +4 more
wiley   +1 more source

Features thermoacoustic thermal machines using low-temperature thermal energy source [PDF]

, 2016
Розглянути питання розробки ефективних систем використання низькотемпературних теплових ресурсів з застосуванням термоакустичних теплових машин. Проведено аналіз наявних теоретичних моделей термоакустичних апаратів, виявлені фактори, які суттєво ...
Коробко, Володимир Владиславович
core   +1 more source

Focused Power Ultrasound Mediated Inferior Perirenal Adipose Tissue Modification Therapy for Essential Hypertension: A Pilot Study

The Journal of Clinical Hypertension, Volume 27, Issue 10, October 2025.
ABSTRACT Perirenal adipose tissue (PRAT) contributes to the maintenance of elevated blood pressure through afferent nerves and serves as an important peripheral, modifiable target for hypertension management. This single‐center, prospective pilot trial assessed the feasibility and safety of a novel focused power ultrasound device for perirenal adipose ...
Yang Hua, Meng‐Huan Li, Ting‐Ting Wu, Lei Jing, Ming Jiang, Cui‐Ying Liu, Jia‐Ming Yang, Yu‐Xuan Lou, Yue Yuan, Yun‐Fan Tian, Min Zhang, Rong‐Sheng Wang, Jing Cai, Yan‐Hui Sheng, Wei Sun, Xiang‐Qing Kong   +15 more
wiley   +1 more source

INVESTIGATION INFLUENCE TEMPERATURE DISTRIBUTION IN THE MATRIX ON THE CHARACTERISTICS OF THE THERMOACOUSTIC APPARATUS

Авіаційно-космічна техніка та технологія, 2020
The problem of utilization of low-potential thermal emissions of the Power plants of industry, transport, energy, with the help of thermoacoustic energy-saving systems may be solved.
Владимир Владиславович Коробко
doaj   +1 more source

Localized Sound‐Integrated Display Speaker Using Crosstalk‐Free Piezoelectric Vibration Array

Advanced Science, Volume 12, Issue 27, July 17, 2025.
To approach multisensory integration of speaker‐integrated OLED displays, this study investigates localized sound emission in display panel speakers by examining crosstalk‐free diaphragm vibrations and enhanced frequency response through multi‐arrayed piezoelectric exciters.
Inpyo Hong, Su Seok Choi
wiley   +1 more source

Numerical Study on Thermodynamic Performance of a Novel Thermoacoustically Driven Refrigerator---Double-acting Traveling-wave Thermoacoustic Refrigerator

Zhileng xuebao, 2012
A new thermoacoustic refrigerator which is driven by a double-acting traveling-wave thermoacoustic engine have been researched and designed. Through numerical simulation, we optimize the structure parameters of the refrigerator.
Yang Zhuo, Luo Ercang, Chen Yanyan
doaj  

Development and Assessment of Two-Stage Thermoacoustic Electricity Generator

Energies, 2019
This paper presents the development and assessment of a two-stage thermoacoustic electricity generator that aims to mimic the conversion of waste heat from the internal combustion engine exhaust gases into useful electricity.
Ahmed Hamood, Artur J. Jaworski, Xiaoan Mao   +2 more
doaj   +1 more source